1Nicolas G. Dufief to Thomas Jefferson, 30 January 1817 (Jefferson Papers)
The History of Philosophy (W. Enfield) [index entry]
2Nicolas G. Dufief to Thomas Jefferson, 7 January 1817 (Jefferson Papers)
The History of Philosophy (W. Enfield) [index entry]
3Nicolas G. Dufief to Thomas Jefferson, 30 January 1817 (Jefferson Papers)
The History of Philosophy (W. Enfield) [index entry]
4Thomas Jefferson to John Adams, 12 October 1813 (Jefferson Papers)
The History of Philosophy (W. Enfield) [index entry]
5Thomas Jefferson to Nicolas G. Dufief, 14 December 1816 (Jefferson Papers)
The History of Philosophy (W. Enfield) [index entry]
6Thomas Jefferson: Book List, [after 6 October 1815] (Jefferson Papers)
The History of Philosophy (W. Enfield) [index entry]
7Thomas Jefferson to John Adams, 24 January 1814 (Jefferson Papers)
The History of Philosophy (W. Enfield) [index entry]
8Enclosure: Thomas Jefferson’s Supplemental List of Recommended Books, [ca. 4 October 1809] (Jefferson Papers)
The History of Philosophy (W. Enfield) [index entry]
9Thomas Jefferson to John Adams, 22 August 1813 (Jefferson Papers)
The History of Philosophy (W. Enfield) [index entry]